Thanks everyone for your input on this one. It was all very useful. As of now, a PC pump with a grinder on the intake appears to be our best option. I appreciate the comments about the stator & rotor as well.
thread407-260931
I have a similar scenario to that of Crazyhorse81 (referenced thread) where I need to come up with a sewage lift station design for 150-300 gpm at 330' TDH. The discussion about the Progressive Cavity Pump perked up my ears and I have contacted Mono. I'm hoping Crazyhorse81...